The parathyroids are on your thyroid gland, in your neck.
Chest cavity
The heart is within the chest cavity. It is located medially in the chest cavity.
The function of the chest cavity is to support some internal organs. The lungs and the heart are located in the chest cavity which protects and supports them.
The chest cavity is a general term referring to the area within the chest, while the thoracic cavity specifically refers to the space within the rib cage that contains the lungs and heart. The thoracic cavity is a subset of the overall chest cavity.
The space in your chest cavity increases.
The chest cavity increases in size during inhalation
Fluid is often found in both cavities, and fluid from one cavity can find its way into the other.
Increases .
The movement of the diaphragm affects the size of the chest cavity by when you inhale the chest cavity enlarges, but when you exhale the chest cavity becomes smaller.
The cavity that you are referring to is know as the thoracic cavity.The ventral body cavity contains the organs in the chest and abdomen.Thoracic cavity
A Cavity is any hollow place. so in a tooth a cavity is a hollow place caused by disease, in your chest your heart & lungs fill in your chest cavity.
Chest Cavity